LockBit | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256a0b36376ab6c54540d10e5d549049622096d121abec6f760e0452a535c1675f3
MD5e3a363e0616bb8f101fa37cde0ee3fa3
File Typeelf
Size295.5 KB
First Seen2023-04-17
File Namelocker_MIPS64_64
Tagslockbit, Ransomware

Malware Family: LockBit

LockBit, en fazla saldırıdan sorumlu ransomware'dir.

TypeRansomware
Programming LanguageC++
Target PlatformWindows/Linux
C2 Protocol
PurposeÇifte şantaj ransomware
First Seen Year2019
AliasesLockBit 3.0

Threat Indicators (IOC)

  • SHA256: a0b36376ab6c54540d10e5d549049622096d121abec6f760e0452a535c1675f3
  • MD5: e3a363e0616bb8f101fa37cde0ee3fa3

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Yetkililere ihbarda bulunun
  7. Temiz bir yedekten kurtarın

YARA Rule Hints

rule LockBit_SHA256 {
    meta:
        description = "LockBit sample: a0b36376ab6c5454"
        threat_level = "critical"
        first_seen = "2023-04-17"
    condition:
        hash.sha256(0, filesize) == "a0b36376ab6c54540d10e5d549049622096d121abec6f760e0452a535c1675f3"
}

LockBit — Malware Profile

LockBit 3.0 (LockBit Black). bl3.exe builder. CryptProtectMemory DPAPI key protection. WinRAR SFX delivery.

Malware Type
Ransomware
Programming Language
C++
C2 Protocol
Target Systems
Windows/Linux
Also Known As (AKA)
LockBit 3.0

Technical Details

C, RSA-2048 + AES-256 sifreleme (hibrid), vssadmin ile shadow copy silme, Active Directory enum, LockBit Builder ile ozel varyant uretimi, multi-threaded encryption, ransom note TXT/HTA

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — LockBit
# SHA256 a0b36376ab6c54540d10e5d549049622096d121abec6f760e0452a535c1675f3 # MD5 e3a363e0616bb8f101fa37cde0ee3fa3
TypeValueNote
sha256 a0b36376ab6c54540d10e5d549049622096d121abec6f760e0452a535c1675f3
md5 e3a363e0616bb8f101fa37cde0ee3fa3

C2 Servers (2 recorded servers for this family)

Address Type Port Protocol Status Country
35.227.107.189 ip 443 HTTPS sinkholed US
89.185.85.239 ip 443 HTTPS sinkholed NL

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
lockbitransomwaremalwarecriticalsha256analizzenginleştirilmiş